Note: The following is part of our roundup of USB-C battery packs. Go there for details on how we tested this device.
From the box it comes in to the power button on top of the pack, everything about the ZeroLemon ToughJuice ($80 on Amazon) screams “cheap.” I’m sorry, I can’t help but feel that way. However, my opinion of the pack was drastically changed over the course of my testing.
The ToughJuice pack is a whopping 30,000mAh (114Wh), and by far the most efficient battery pack we tested. When I discharged the ToughJuice, it stopped providing power at 106.33Wh—or 93.27% of its total capacity, putting it firmly at the top of the list among battery packs we tested.
There are a total of six ports on the pack, four of which accept USB-A connections. There’s also a USB-C port (5V/2.5A), and a microUSB input port for charging the pack.
Three ports are standard USB-A charging ports, with another offering Quick Charge 2.0 capabilities (verified through testing to deliver 8.82V/1.52A on an LG G5).
The pack is equipped with two power buttons, one on each side. Inside the buttons you’ll find four indicator lights, each one representing 25% of the battery’s capacity.
A removable protective casing wraps around the plastic housing, acting as an extra layer of protection for inevitable drops.
Recharging the ToughJuice pack took a whopping 13:46 from empty to full, due to impressive capacity and the input port operating at 5V/2A (I registered 5.06V/1.68A in my testing).
Included in the box is the ToughJuice pack and a microUSB cable.
This story, "ZeroLemon TouchJuice 30000 review: A rugged, ugly, yet fully capable battery pack" was originally published by Greenbot.
ZeroLemon ToughJuice USB-C 30000mAhGreenbot Rating
You’ll have enough juice to keep you and your devices going, but a long recharge time and less than appealing outside design may be a turn off.
- Huge capacity
- Rugged design
- Ports for days
- Big and bulky
- Cheap power buttons
- Takes a long time to recharge
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